The providers that are restricted from  your sign up country are usually watermarked (appears pale gray)  in the section on Casino->Filter https://fortunejack.com/faq/prohibited-territories

Below you can find the list of restricted countries for our provider Quickspin:

Australia, Belgium, Bulgaria, Colombia, Cyprus, Curacao, Czech Republic, Denmark, Estonia, France, Hong Kong, Israel, Italy, Macao, Poland, Portugal, Romania, Singapore, Spain, Sweden, Turkey, Philippines, United Kingdom, USA and its territories, Ukraine, Germany